Home / 55,977.36-77,247.36-31,782.84

Finding the Fourth Proportional to 55,977.36, 77,247.36 and 31,782.84

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Solution

The fourth proportional to 55,977.36, 77,247.36 and 31,782.84 is: 43,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,977.36 : 77,247.36 = 31,782.84 : x
  2. Step 2: Convert to fraction form
    55,977.36/77,247.36 = 31,782.84/x
  3. Step 3: Cross multiply
    55,977.36x = 77,247.36 × 31,782.84
  4. Step 4: Simplify right side
    55,977.36x = 2,455,140,483.30
  5. Step 5: Solve for x
    x = 2,455,140,483.30/55,977.36
  6. Step 6: Final answer
    x = 43,859.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.